set looped task to latest idx

server/ajax/ajax.go

@@ -144,9 +144,13 @@ func (a *Ajax) loopTasks() (time.Time, error) {
 				if nextTask == (time.Time{}) {
 					task.Title += " !!!INVALID CRON/LOOP!!!"
 				}
+				task.Index = list.NextIndex()
 				if err := a.storageSetTask(list.UUID, task); err != nil {
 					return nextDue, err
 				}
+				if err := a.storageSetList(list); err != nil {
+					return nextDue, err
+				}
 			} else {
 				if nextTask.Before(nextDue) {
 					nextDue = nextTask